The contingency table illustrates the results of random

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Reference no: EM13471871

For the following problems, find the expected frequencies of each cell in the table, perform a chi-square test for independence, and comment on the relationship between the variables. Assume the variables are independent.

a. The contingency table shows the results of a random sample of college professors and the years of teaching at the university level.

Gender	< 1 Year	1 - 3 Years	4 - 7 Years	8 - 15 Years	Over 15 Years
Male	35	47	58	135	150
Female	53	68	128	97	54

b. The contingency table shows the results of a random sample of individuals by gender and gas mileage of vehicle owned.

Gender	1 - 15 MPG	16 - 21 MPG	22 - 28 MPG	29 - 35 MPG	Over 35 MPG
Male	13	86	118	87	24
Female	11	45	68	134	128

Reference no: EM13471871

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